add app_gateway management views and templates

app_gateway/forms.py

@@ -0,0 +1,205 @@
+from urllib.parse import urlparse
+
+from crispy_forms.helper import FormHelper
+from crispy_forms.layout import Layout, Submit, HTML, Div
+from django import forms
+from django.utils.translation import gettext_lazy as _
+
+from app_gateway.models import (
+    Application, ApplicationHost, AccessPolicy, ApplicationPolicy, ApplicationRoute
+)
+
+
+class ApplicationForm(forms.ModelForm):
+    class Meta:
+        model = Application
+        fields = ['name', 'display_name', 'upstream']
+        labels = {
+            'name': _('Name'),
+            'display_name': _('Display Name'),
+            'upstream': _('Upstream'),
+        }
+
+    def __init__(self, *args, **kwargs):
+        cancel_url = kwargs.pop('cancel_url', '#')
+        super().__init__(*args, **kwargs)
+
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            Div(
+                Div('name', css_class='col-md-6'),
+                Div('display_name', css_class='col-md-6'),
+                css_class='row'
+            ),
+            Div(
+                Div('upstream', css_class='col-md-12'),
+                css_class='row'
+            ),
+            Div(
+                Div(
+                    Submit('submit', _('Save'), css_class='btn btn-primary'),
+                    HTML(f'<a href="{cancel_url}" class="btn btn-secondary">{_("Cancel")}</a>'),
+                    css_class='col-12 d-flex justify-content-end gap-2 mt-3'
+                ),
+                css_class='row'
+            )
+        )
+
+    def clean(self):
+        cleaned_data = super().clean()
+        upstream = (cleaned_data.get("upstream") or "").strip()
+
+        if upstream:
+            if " " in upstream:
+                self.add_error("upstream", _("Upstream URL cannot contain spaces."))
+
+            parsed = urlparse(upstream)
+            is_valid = (parsed.scheme in {"http", "https"} and bool(parsed.netloc))
+
+            if not is_valid:
+                self.add_error("upstream", _("Enter a valid upstream URL starting with http:// or https://"))
+
+        return cleaned_data
+
+
+class ApplicationHostForm(forms.ModelForm):
+    class Meta:
+        model = ApplicationHost
+        fields = ['application', 'hostname']
+        labels = {
+            'application': _('Application'),
+            'hostname': _('Hostname'),
+        }
+
+    def __init__(self, *args, **kwargs):
+        cancel_url = kwargs.pop('cancel_url', '#')
+        super().__init__(*args, **kwargs)
+
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            Div(
+                Div('application', css_class='col-md-6'),
+                Div('hostname', css_class='col-md-6'),
+                css_class='row'
+            ),
+            Div(
+                Div(
+                    Submit('submit', _('Save'), css_class='btn btn-primary'),
+                    HTML(f'<a href="{cancel_url}" class="btn btn-secondary">{_("Cancel")}</a>'),
+                    css_class='col-12 d-flex justify-content-end gap-2 mt-3'
+                ),
+                css_class='row'
+            )
+        )
+
+
+class AccessPolicyForm(forms.ModelForm):
+    class Meta:
+        model = AccessPolicy
+        fields = ['name', 'policy_type', 'groups', 'methods']
+        labels = {
+            'name': _('Name'),
+            'policy_type': _('Policy Type'),
+            'groups': _('Allowed Groups'),
+            'methods': _('Authentication Methods'),
+        }
+
+    def __init__(self, *args, **kwargs):
+        cancel_url = kwargs.pop('cancel_url', '#')
+        super().__init__(*args, **kwargs)
+
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            Div(
+                Div('name', css_class='col-md-6'),
+                Div('policy_type', css_class='col-md-6'),
+                css_class='row'
+            ),
+            Div(
+                Div('groups', css_class='col-md-6'),
+                Div('methods', css_class='col-md-6'),
+                css_class='row'
+            ),
+            Div(
+                Div(
+                    Submit('submit', _('Save'), css_class='btn btn-primary'),
+                    HTML(f'<a href="{cancel_url}" class="btn btn-secondary">{_("Cancel")}</a>'),
+                    css_class='col-12 d-flex justify-content-end gap-2 mt-3'
+                ),
+                css_class='row'
+            )
+        )
+
+
+class ApplicationPolicyForm(forms.ModelForm):
+    class Meta:
+        model = ApplicationPolicy
+        fields = ['application', 'default_policy']
+        labels = {
+            'application': _('Application'),
+            'default_policy': _('Default Policy'),
+        }
+
+    def __init__(self, *args, **kwargs):
+        cancel_url = kwargs.pop('cancel_url', '#')
+        super().__init__(*args, **kwargs)
+
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            Div(
+                Div('application', css_class='col-md-6'),
+                Div('default_policy', css_class='col-md-6'),
+                css_class='row'
+            ),
+            Div(
+                Div(
+                    Submit('submit', _('Save'), css_class='btn btn-primary'),
+                    HTML(f'<a href="{cancel_url}" class="btn btn-secondary">{_("Cancel")}</a>'),
+                    css_class='col-12 d-flex justify-content-end gap-2 mt-3'
+                ),
+                css_class='row'
+            )
+        )
+
+
+class ApplicationRouteForm(forms.ModelForm):
+    class Meta:
+        model = ApplicationRoute
+        fields = ['application', 'name', 'path_prefix', 'policy', 'order']
+        labels = {
+            'application': _('Application'),
+            'name': _('Route Name'),
+            'path_prefix': _('Path Prefix'),
+            'policy': _('Policy'),
+            'order': _('Priority Order'),
+        }
+
+    def __init__(self, *args, **kwargs):
+        cancel_url = kwargs.pop('cancel_url', '#')
+        super().__init__(*args, **kwargs)
+
+        self.helper = FormHelper()
+        self.helper.layout = Layout(
+            Div(
+                Div('application', css_class='col-md-6'),
+                Div('name', css_class='col-md-6'),
+                css_class='row'
+            ),
+            Div(
+                Div('path_prefix', css_class='col-md-8'),
+                Div('order', css_class='col-md-4'),
+                css_class='row'
+            ),
+            Div(
+                Div('policy', css_class='col-md-12'),
+                css_class='row'
+            ),
+            Div(
+                Div(
+                    Submit('submit', _('Save'), css_class='btn btn-primary'),
+                    HTML(f'<a href="{cancel_url}" class="btn btn-secondary">{_("Cancel")}</a>'),
+                    css_class='col-12 d-flex justify-content-end gap-2 mt-3'
+                ),
+                css_class='row'
+            )
+        )

app_gateway/migrations/0002_alter_application_display_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.12 on 2026-03-12 14:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app_gateway', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='application',
+            name='display_name',
+            field=models.CharField(blank=True, max_length=128),
+        ),
+    ]

app_gateway/migrations/0003_alter_application_display_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.12 on 2026-03-12 14:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app_gateway', '0002_alter_application_display_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='application',
+            name='display_name',
+            field=models.CharField(max_length=128),
+        ),
+    ]

app_gateway/migrations/0004_alter_application_display_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.12 on 2026-03-12 14:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app_gateway', '0003_alter_application_display_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='application',
+            name='display_name',
+            field=models.CharField(blank=True, max_length=128),
+        ),
+    ]

app_gateway/models.py

@@ -8,7 +8,7 @@ from gatekeeper.models import GatekeeperGroup, AuthMethod
 
 class Application(models.Model):
     name = models.SlugField(max_length=64, unique=True)
-    display_name = models.CharField(max_length=128)
+    display_name = models.CharField(max_length=128, blank=True)
     upstream = models.CharField(max_length=255, help_text=_("Upstream address, e.g.: http://10.188.18.27:3000"))
 
     created = models.DateTimeField(auto_now_add=True)
@@ -16,7 +16,10 @@ class Application(models.Model):
     uuid = models.UUIDField(unique=True, default=uuid.uuid4, editable=False)
 
     def __str__(self):
-        return self.display_name
+        if self.display_name:
+            return f"{self.display_name} ({self.name})"
+        else:
+            return self.name
 
     class Meta:
         ordering = ['name']

app_gateway/urls.py

@@ -0,0 +1,28 @@
+from django.urls import path
+
+from app_gateway import views
+
+urlpatterns = [
+    # Main Dashboard / List
+    path('', views.view_app_gateway_list, name='app_gateway_list'),
+
+    # Applications
+    path('application/manage/', views.view_manage_application, name='manage_application'),
+    path('application/delete/', views.view_delete_application, name='delete_application'),
+
+    # Application Hosts
+    path('host/manage/', views.view_manage_application_host, name='manage_application_host'),
+    path('host/delete/', views.view_delete_application_host, name='delete_application_host'),
+
+    # Access Policies
+    path('policy/manage/', views.view_manage_access_policy, name='manage_access_policy'),
+    path('policy/delete/', views.view_delete_access_policy, name='delete_access_policy'),
+
+    # Application Default Policies
+    path('app_policy/manage/', views.view_manage_application_policy, name='manage_application_policy'),
+    path('app_policy/delete/', views.view_delete_application_policy, name='delete_application_policy'),
+
+    # Application Routes
+    path('route/manage/', views.view_manage_application_route, name='manage_application_route'),
+    path('route/delete/', views.view_delete_application_route, name='delete_application_route'),
+]

app_gateway/views.py

@@ -1 +1,309 @@
-# Create your views here.
+from django.contrib import messages
+from django.contrib.auth.decorators import login_required
+from django.shortcuts import render, get_object_or_404, redirect
+from django.urls import reverse
+from django.utils.translation import gettext as _
+
+from app_gateway.forms import (
+    ApplicationForm, ApplicationHostForm, AccessPolicyForm,
+    ApplicationPolicyForm, ApplicationRouteForm
+)
+from app_gateway.models import (
+    Application, ApplicationHost, AccessPolicy, ApplicationPolicy, ApplicationRoute
+)
+from user_manager.models import UserAcl
+
+
+@login_required
+def view_app_gateway_list(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=20).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    applications = Application.objects.all().order_by('name')
+    hosts = ApplicationHost.objects.all().order_by('hostname')
+    access_policies = AccessPolicy.objects.all().order_by('name')
+    app_policies = ApplicationPolicy.objects.all().order_by('application__name')
+    routes = ApplicationRoute.objects.all().order_by('application__name', 'order', 'path_prefix')
+
+    tab = request.GET.get('tab', 'applications')
+
+    context = {
+        'applications': applications,
+        'hosts': hosts,
+        'access_policies': access_policies,
+        'app_policies': app_policies,
+        'routes': routes,
+        'active_tab': tab,
+    }
+    return render(request, 'app_gateway/app_gateway_list.html', context)
+
+
+@login_required
+def view_manage_application(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_uuid = request.GET.get('uuid')
+
+    if application_uuid:
+        application = get_object_or_404(Application, uuid=application_uuid)
+        title = _('Edit Application')
+    else:
+        application = None
+        title = _('Create Application')
+
+    cancel_url = reverse('app_gateway_list') + '?tab=applications'
+
+    form = ApplicationForm(request.POST or None, instance=application, cancel_url=cancel_url)
+    if form.is_valid():
+        form.save()
+        messages.success(request, _('Application saved successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'form': form,
+        'title': title,
+        'page_title': title,
+    }
+    return render(request, 'generic_form.html', context)
+
+
+@login_required
+def view_delete_application(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application = get_object_or_404(Application, uuid=request.GET.get('uuid'))
+
+    cancel_url = reverse('app_gateway_list') + '?tab=applications'
+
+    if request.method == 'POST':
+        application.delete()
+        messages.success(request, _('Application deleted successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'application': application,
+        'title': _('Delete Application'),
+        'cancel_url': cancel_url,
+        'text': _('Are you sure you want to delete the application "%(name)s"?') % {'name': application.display_name}
+    }
+    return render(request, 'generic_delete_confirmation.html', context)
+
+
+@login_required
+def view_manage_application_host(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_host_uuid = request.GET.get('uuid')
+
+    if application_host_uuid:
+        application_host = get_object_or_404(ApplicationHost, uuid=application_host_uuid)
+        title = _('Edit Application Host')
+    else:
+        application_host = None
+        title = _('Add Application Host')
+
+    cancel_url = reverse('app_gateway_list') + '?tab=hosts'
+
+    form = ApplicationHostForm(request.POST or None, instance=application_host, cancel_url=cancel_url)
+    if form.is_valid():
+        form.save()
+        messages.success(request, _('Application Host saved successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'form': form,
+        'title': title,
+        'page_title': title,
+    }
+    return render(request, 'generic_form.html', context)
+
+
+@login_required
+def view_delete_application_host(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_host = get_object_or_404(ApplicationHost, uuid=request.GET.get('uuid'))
+
+    cancel_url = reverse('app_gateway_list') + '?tab=hosts'
+
+    if request.method == 'POST':
+        application_host.delete()
+        messages.success(request, _('Application Host deleted successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'application_host': application_host,
+        'title': _('Delete Application Host'),
+        'cancel_url': cancel_url,
+        'text': _('Are you sure you want to delete the host "%(hostname)s"?') % {'hostname': application_host.hostname}
+    }
+    return render(request, 'generic_delete_confirmation.html', context)
+
+
+@login_required
+def view_manage_access_policy(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    access_policy_uuid = request.GET.get('uuid')
+
+    if access_policy_uuid:
+        access_policy = get_object_or_404(AccessPolicy, uuid=access_policy_uuid)
+        title = _('Edit Access Policy')
+    else:
+        access_policy = None
+        title = _('Create Access Policy')
+
+    cancel_url = reverse('app_gateway_list') + '?tab=policies'
+
+    form = AccessPolicyForm(request.POST or None, instance=access_policy, cancel_url=cancel_url)
+    if form.is_valid():
+        form.save()
+        messages.success(request, _('Access Policy saved successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'form': form,
+        'title': title,
+        'page_title': title,
+    }
+    return render(request, 'generic_form.html', context)
+
+
+@login_required
+def view_delete_access_policy(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    access_policy = get_object_or_404(AccessPolicy, uuid=request.GET.get('uuid'))
+
+    cancel_url = reverse('app_gateway_list') + '?tab=policies'
+
+    if request.method == 'POST':
+        access_policy.delete()
+        messages.success(request, _('Access Policy deleted successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'access_policy': access_policy,
+        'title': _('Delete Access Policy'),
+        'cancel_url': cancel_url,
+        'text': _('Are you sure you want to delete the access policy "%(name)s"?') % {'name': access_policy.name}
+    }
+    return render(request, 'generic_delete_confirmation.html', context)
+
+
+@login_required
+def view_manage_application_policy(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_policy_uuid = request.GET.get('uuid')
+
+    if application_policy_uuid:
+        application_policy = get_object_or_404(ApplicationPolicy, uuid=application_policy_uuid)
+        title = _('Edit Application Default Policy')
+    else:
+        application_policy = None
+        title = _('Set Application Default Policy')
+
+    cancel_url = reverse('app_gateway_list') + '?tab=applications'
+
+
+    form = ApplicationPolicyForm(request.POST or None, instance=application_policy, cancel_url=cancel_url)
+    if form.is_valid():
+        form.save()
+        messages.success(request, _('Application Default Policy saved successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'form': form,
+        'title': title,
+        'page_title': title,
+    }
+    return render(request, 'generic_form.html', context)
+
+
+@login_required
+def view_delete_application_policy(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_policy = get_object_or_404(ApplicationPolicy, uuid=request.GET.get('uuid'))
+
+    cancel_url = reverse('app_gateway_list') + '?tab=applications'
+
+    if request.method == 'POST':
+        application_policy.delete()
+        messages.success(request, _('Application Default Policy deleted successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'application_policy': application_policy,
+        'title': _('Delete Application Default Policy'),
+        'cancel_url': cancel_url,
+        'text': _('Are you sure you want to remove the default policy for "%(name)s"?') % {
+            'name': application_policy.application.display_name
+        }
+    }
+    return render(request, 'generic_delete_confirmation.html', context)
+
+
+@login_required
+def view_manage_application_route(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_route_uuid = request.GET.get('uuid')
+
+    if application_route_uuid:
+        application_route = get_object_or_404(ApplicationRoute, uuid=application_route_uuid)
+        title = _('Edit Application Route')
+    else:
+        application_route = None
+        title = _('Add Application Route')
+
+    cancel_url = reverse('app_gateway_list') + '?tab=routes'
+
+    form = ApplicationRouteForm(request.POST or None, instance=application_route, cancel_url=cancel_url)
+    if form.is_valid():
+        form.save()
+        messages.success(request, _('Application Route saved successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'form': form,
+        'title': title,
+        'page_title': title,
+    }
+    return render(request, 'generic_form.html', context)
+
+
+@login_required
+def view_delete_application_route(request):
+    if not UserAcl.objects.filter(user=request.user).filter(user_level__gte=50).exists():
+        return render(request, 'access_denied.html', {'page_title': _('Access Denied')})
+
+    application_route = get_object_or_404(ApplicationRoute, uuid=request.GET.get('uuid'))
+
+    cancel_url = reverse('app_gateway_list') + '?tab=routes'
+
+    if request.method == 'POST':
+        application_route.delete()
+        messages.success(request, _('Application Route deleted successfully.'))
+        return redirect(cancel_url)
+
+    context = {
+        'application_route': application_route,
+        'title': _('Delete Application Route'),
+        'cancel_url': cancel_url,
+        'text': _('Are you sure you want to delete the route "%(name)s" (%(path)s)?') % {
+            'name': application_route.name,
+            'path': application_route.path_prefix
+        }
+    }
+    return render(request, 'generic_delete_confirmation.html', context)